No costume for tonight?

Guitars or bongo drums of some kind are a must as a costume accessory. Stew Milne / AP

If you’re stuck for what to go as for Halloween just look to Wall Street.

Americans love a good fad and the lovely Occupy Wall Street crowd could not have picked a better time to sit around with their poster boards, foul smelling pop tents, iGadgets and clichéd chants at America’s bankers and CEOs.